<template>
  <el-row class="container">
    <el-col :span="24" class="header" ref="header">
      <el-col :span="10" class="logo" :class="collapsed?'logo-collapse-width':'logo-width'">
        {{collapsed ? '' : sysName}}
      </el-col>
      <el-col :span="10">
        <div class="tools" @click.prevent="collapse">
          <i class="fa fa-align-justify"></i>
        </div>
      </el-col>
      <el-col :span="4" class="userinfo">
        <el-dropdown trigger="hover">
          <span class="el-dropdown-link userinfo-inner"><img
                      src="http://xiangyue.image.alimmdn.com/user/pic/201706/03/890ebb676353101d76d0ac0edc3ec424"/> {{sysUserName}}</span>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item>我的消息</el-dropdown-item>
            <el-dropdown-item>设置</el-dropdown-item>
            <el-dropdown-item divided @click.native="logout">退出登录</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </el-col>
    </el-col>
    <el-col :span="24" class="main">
      <aside :class="collapsed ? 'menu-collapsed' : 'menu-expanded'">
        <!--导航菜单-->
        <el-menu :default-active="$route.path" class="el-menu-vertical-demo" @open="handleopen"
                 @close="handleclose" @select="handleselect"
                 unique-opened router v-show="!collapsed">
          <template v-for="(item,index) in purviewMenu" v-if="!item.hidden">
            <el-submenu :index="index+''" v-if="!item.leaf">
              <template slot="title"><i :class="item.iconCls" :style="{color:item_color[item.item]}"></i>{{item.title}}</template>
              <el-menu-item v-for="child in item.children" :index="child.path" :key="child.path"
                            v-if="!child.hidden">{{child.name}}
              </el-menu-item>
            </el-submenu>
            <el-menu-item v-if="item.leaf&&item.children.length > 0" :index="item.children[0].path"><i
              :class="item.iconCls" :style="{color:item_color[item.item]}"></i>{{item.children[0].name}}
            </el-menu-item>
          </template>
        </el-menu>
        <!--导航菜单-折叠后-->
        <ul class="el-menu el-menu-vertical-demo collapsed" v-show="collapsed" ref="menuCollapsed">
          <li v-for="(item,index) in purviewMenu" v-if="!item.hidden" class="el-submenu item">
            <template v-if="!item.hidden">
              <div class="el-submenu__title" style="padding-left: 20px;" @mouseover="showMenu(index,true)" @mouseout="showMenu(index,false)"><i :class="item.iconCls" :style="{color:item_color[item.item]}"></i></div>

              <ul class="el-menu submenu" :class="'submenu-hook-'+index" @mouseover="showMenu(index,true)" @mouseout="showMenu(index,false)">
                <li v-for="child in item.children" :key="child.path" class="el-menu-item" style="padding-left: 40px;" :class="$route.path==child.path?'is-active':''" @click="$router.push(child.path)">{{child.name}}</li>
              </ul>
            </template>
          </li>
        </ul>
      </aside>
      <section class="content-container">
        <div class="grid-content bg-purple-light">
          <el-col :span="24" class="breadcrumb-container">
            <strong class="title">{{$route.name}}</strong>
            <el-breadcrumb separator="/" class="breadcrumb-inner">
              <el-breadcrumb-item v-for="item in $route.matched" :key="item.path">
                {{ item.name }}
              </el-breadcrumb-item>
            </el-breadcrumb>
          </el-col>
          <el-col :span="24" class="content-wrapper">
            <transition name="fade" mode="out-in">
              <router-view></router-view>
            </transition>
          </el-col>
        </div>
      </section>
    </el-col>
  </el-row>
</template>

<script type="text/ecmascript-6">
  import util from '../util'
  import { tree, loginout } from '../apiTree'

  export default {
    name: 'home',
    data() {
      return {
        sysName: '开开农场管理系统',
        collapsed: false,
        isCollapse: false,
        sysUserName: '',
        sysUserPurview: {}, // 用户权限
        global_purview: {}, // 顶级管理员权限
        item_color: {
          'information': '#f78970',
          'ad': '#fbb039',
          'product': '#34dac2',
          'operation': '#08a6d6',
          'farm_moment': '#FF21C8',
          'ticket': '#F78A73'
        },
        form: {
          name: '',
          region: '',
          date1: '',
          date2: '',
          delivery: false,
          type: [],
          resource: '',
          desc: ''
        }
      }
    },
    methods: {
      onSubmit() {
        console.log('submit!')
      },
      handleopen() {
      },
      handleclose() {
        // console.log('handleclose')
      },
      handleselect: function (a, b) {
        // console.log(a, b)
      },
      // 退出登录
      logout: function () {
        this.$confirm('确认退出吗?', '提示', {
          type: 'warning'
        }).then(() => {
          loginout({}).then(data => {
            this.$store.commit('setAdminer', null)
            this.$router.push('/login')
          })
        })
      },
      // 折叠导航栏
      collapse: function () {
        this.collapsed = !this.collapsed;
      },
      showMenu(i, status) {
        this.$refs.menuCollapsed.getElementsByClassName('submenu-hook-' + i)[0].style.display = status ? 'block' : 'none'
      },
      // 检查是否是合法的个人权限
      checkIslegalPurview() {
        let _t = this.$route.path.split('/');
        let _m = _t[1] + '/' + _t[2];
        if (_t !== 'kkIndex' && !this.sysUserPurview[_m] && !this.sysUserPurview[`${_t[1]}/index`]) {
          this.$router.push('/404');
        }
      }
    },
    computed: {
      // 个人路由列表
      purviewMenu() {
        let routers = util.cloneObj(this.$router.options.routes);
        let ret = []
        for (let router of routers) {
          let _children = [];
          if (!router.hidden && router.item !== undefined) {
            for (let _child of router.children) {
              if (this.sysUserPurview[_child.A] !== undefined && !_child.hidden && _child.path === `/${_child.A}`) {
                _children.push(_child);
              }
            }
            if (_children.length) {
              router.children = _children
              ret.push(router)
            }
          }
        }
        return ret
      }
    },
    created() {
      let user = this.$store.state.adminer
      if (user) {
        if (user.om_uid === 999) {
          this.sysUserPurview = tree();
        } else {
          this.sysUserPurview = user.purview;
        }
        this.$store.commit('changeSelfPurviewList', this.sysUserPurview);
        this.$store.commit('changeGlobalPurviewName', tree());
      }
    },
    watch: {
      $route: 'checkIslegalPurview'
    }
  }

</script>

<style lang="scss">

  .container {
    position: absolute;
    top: 0px;
    bottom: 0px;
    width: 100%;
    .header {
      height: 60px;
      line-height: 60px;
      background: #20a0ff;;
      color: #fff;
      .userinfo {
        text-align: right;
        padding-right: 35px;
        float: right;
        .theme-color {
          margin-top: 5px;
          display: inline-block;
          vertical-align:middle;
          margin-right: 10px;
          cursor: pointer;
        }
        .userinfo-inner {
          cursor: pointer;
          color: #fff;
          img {
            width: 40px;
            height: 40px;
            border-radius: 20px;
            margin: 10px 0px 10px 10px;
            float: right;
          }
        }
      }
      .logo {
        //width:230px;
        height: 60px;
        font-size: 22px;
        padding-left: 20px;
        padding-right: 20px;
        border-color: rgba(238, 241, 146, 0.3);
        border-right-width: 1px;
        border-right-style: solid;
        img {
          width: 40px;
          float: left;
          margin: 10px 10px 10px 18px;
        }
        .txt {
          color: #fff;
        }
      }
      .logo-width {
        width: 230px;
      }
      .logo-collapse-width {
        width: 60px
      }
      .tools {
        padding: 0px 23px;
        width: 14px;
        height: 60px;
        line-height: 60px;
        cursor: pointer;
      }
    }
    .main {
      display: flex;
      // background: #324057;
      position: absolute;
      top: 60px;
      bottom: 0px;
      overflow: hidden;
      aside {
        flex: 0 0 230px;
        width: 230px;
        // position: absolute;
        // top: 0px;
        // bottom: 0px;
        .el-menu {
          height: 100%;
        }
        .collapsed {
          width: 60px;
          .item {
            position: relative;
          }
          .submenu {
            position: absolute;
            top: 0px;
            left: 60px;
            z-index: 99999;
            height: auto;
            display: none;
          }

        }
      }
      .menu-collapsed {
        flex: 0 0 60px;
        width: 60px;
      }
      .menu-expanded {
        flex: 0 0 230px;
        width: 230px;
      }
      .content-container {
        --background: #f1f2f7;
        flex: 1;
        --position: absolute;
        --right: 0px;
        --top: 0px;
        --bottom: 0px;
        --left: 230px;
        overflow-y: scroll;
        padding: 20px;
        .breadcrumb-container {
          //margin-bottom: 15px;
          .title {
            width: 200px;
            float: left;
            color: #475669;
          }
          .breadcrumb-inner {
            float: right;
          }
        }
        .content-wrapper {
          background-color: #fff;
          box-sizing: border-box;
        }
      }
    }
  }
</style>
